Complete the sentences using reflexive pronouns, the Present Perfect and the Present Perfect Continuous Tense. (8 points max) 1. I think this poor dog has hurt 2. They did it without anyone's help. They did it 3. Tom (wait) for a train for the last ten minutes. 4. She writes books. How many 5. I enjoyed very much at the party. 6. It is a long time since John wrote a letter to me. He hasn't a long time. 7. Did the boys build this boat 8. (sing) songs since I was five.